--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dbgagents/trkagent/eka2driver/TrkEventHandler.h	Tue Mar 02 10:33:16 2010 +0530
@@ -0,0 +1,67 @@
+/*
+* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+
+/** Event handler and container for all objects being tracked.  */
+#ifndef __TRKEVENTHANDLER_H__
+#define __TRKEVENTHANDLER_H__
+
+
+class DMetroTrkEventHandler : public DKernelEventHandler
+{
+	public:
+		DMetroTrkEventHandler();
+		TInt Create(DLogicalDevice* aDevice, DLogicalChannel* aChannel, DThread* aClient);
+		~DMetroTrkEventHandler();
+		TInt Start();
+		TInt Stop();
+		
+	private:
+		static TUint EventHandler(TKernelEvent aEvent, TAny* a1, TAny* a2, TAny* aThis);
+		TUint HandleEvent(TKernelEvent aType, TAny* a1, TAny* a2);
+		
+		TBool HandleEventKillThread(DThread* a1);
+		TBool HandleSwException(TExcType aExcType);
+		TBool HandleHwException(TArmExcInfo* aExcInfo);
+		TBool HandleUserTrace(TText* aStr, TInt aLen);
+		
+		void AddProcess(DProcess *aProcess, DThread *aThread);
+		void StartThread(DThread *aThread);
+		void RemoveProcess(DProcess *aProcess);
+		void AddLibrary(DLibrary *aLibrary, DThread *aThread);
+		void RemoveLibrary(DLibrary *aLibrary);
+		void AddCodeSegment(DCodeSeg *aCodeSeg, DProcess *aProcess);
+		void RemoveCodeSegment(DCodeSeg *aCodeSeg, DProcess *aProcess);
+
+	private:
+		/** Lock serialising calls to event handler */
+		DSemaphore* iLock;
+		TBool iTracking;
+		/** Tracking list (of TTrackedObject).
+			Must be accessed only when tracking is disabled or with iLock held.
+			Object addresses are used as keys and so must be unique.
+		 */
+		TInt iOOM;
+		TInt iErrorCount;
+		TInt iCounters[EEventLimit];
+		
+		DLogicalDevice* iDevice;	// open reference to LDD for avoiding lifetime issues
+		DThread* iClientThread;
+		DLogicalChannel* iChannel;
+};
+
+#endif //__TRKEVENTHANDLER_H__